package com.jayus.Concurrency.example.atomic;

import com.jayus.Concurrency.annoations.ThreadSafe;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;

/**
 * @author: wangjiajun
 * @date: 2020-06-16 10:25
 */
@Slf4j
@ThreadSafe
public class AtomicExample5 {
    private static AtomicIntegerFieldUpdater<AtomicExample5> updater=AtomicIntegerFieldUpdater.newUpdater(AtomicExample5.class,"count");
    @Getter
    private volatile int count = 100;

    public static void main(String[] args) {
        AtomicExample5 atomicExample5= new AtomicExample5();
        if (updater.compareAndSet(atomicExample5,100,120)) {
            log.info("update success:{}", atomicExample5.getCount());
        }
        if (updater.compareAndSet(atomicExample5,100,120)) {
            log.info("update success:{}",atomicExample5.getCount());
        }else {
            log.info("update failed:{}",atomicExample5.getCount());

        }    }
}
